Sum of angles of a rectangle is

Which of the following is a closed figure?

A four sided regular polygon with one angle 90^o is called

Number of angles in the given figure

When the time is 9 O'clock what kind of angle is made by this time?

Sum of the angles in a triangle is

All sides of a ________ are equal.

Number of vertices of a triangle is

Each angle measure of a rectangle

Which of the following has angle measure less than right angle?